Auswahlwettbewerb zur Internationalen Mathematik-Olympiade
17 problems here, rated 7.4 to 9 on our scale (National Olympiad, round 2 to IMO level). 17 of them ask for a proof.
| # | Topic | Diff | Type | Year | |
|---|---|---|---|---|---|
| 1 | Number theory | 7.4 | proof | — | open |
| 2 | Combinatorics | 7.7 | proof | 2022 | open |
| 3 | Algebra | 7.8 | proof | — | open |
| 4 | Algebra | 7.8 | proof | — | open |
| 5 | Number theory | 7.9 | proof | 2022 | open |
| 6 | Geometry | 8.0 | proof | — | open |
| 7 | Algebra | 8.2 | proof | — | open |
| 8 | Geometry | 8.2 | proof | — | open |
| 9 | Geometry | 8.3 | proof | — | open |
| 10 | Geometry | 8.3 | proof | — | open |
| 11 | Geometry | 8.4 | proof | — | open |
| 12 | Number theory | 8.6 | proof | 2022 | open |
| 13 | Geometry | 8.7 | proof | — | open |
| 14 | Combinatorics | 8.7 | proof | — | open |
| 15 | Algebra | 8.9 | proof | 2022 | open |
| 16 | Combinatorics | 8.9 | proof | — | open |
| 17 | Geometry | 9.0 | proof | 2022 | open |
These are sorted by difficulty within the competition, but they aren't a course.
The track is the route through, drawn from all the sources at once.